Home / 77,473.58-115,961.24-39,982.59

Finding the Fourth Proportional to 77,473.58, 115,961.24 and 39,982.59

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Solution

The fourth proportional to 77,473.58, 115,961.24 and 39,982.59 is: 59,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,473.58 : 115,961.24 = 39,982.59 : x
  2. Step 2: Convert to fraction form
    77,473.58/115,961.24 = 39,982.59/x
  3. Step 3: Cross multiply
    77,473.58x = 115,961.24 × 39,982.59
  4. Step 4: Simplify right side
    77,473.58x = 4,636,430,714.81
  5. Step 5: Solve for x
    x = 4,636,430,714.81/77,473.58
  6. Step 6: Final answer
    x = 59,845.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.